YPInterimTesting 1.0.3

• Fix error occurred when .Random.seed does not exits on .GlobalEnv
• Change the name of the data from ‘virtual_data’ to ‘virtual’

YPInterimTesting 1.0.2

• Fix error in setting random seed in the ‘ypinterm.default’ function

YPInterimTesting 1.0.1

• Fix error when setting a random.seed

YPInterimTesting 1.0.0

• Add error messages to ypinterim.default to help users detect common errors easily.

• Fixing errors when critvalue is supplied in the ypinterim function.

• the argument name of spenfun in the ypinterim function is changed to spendfun.

• When the alpha spent is less than 1E-4, the boundaries of that look and the corresponding nominal p-values are now obtained using a (conditional) normal distribution.

• When the value of the observed statistic is greater than qnorm(1 - 1E-4/2), the nominal p-values are now obtained using a normal distribution.

• The default value for repnum is set to 1E4.

• The the results from print and summary of the ypinterim class now show the nominal p-values for the boundaries.

• Update the references on the help documents and the DESCRIPTION file as they are now available online.

• Add new examples to the ypinterim help documents in order to show how to utilize the argument critvalue in the function clearly.

• Error fixed in the example data: the virtual_data has also been changed to have only one group vector.

YPInterimTesting 0.1.0

• The initial version